diff --git a/lib/Alchemy/Phrasea/SearchEngine/Elastic/ElasticSearchEngine.php b/lib/Alchemy/Phrasea/SearchEngine/Elastic/ElasticSearchEngine.php
index cf263206c4..4a7e039f01 100644
--- a/lib/Alchemy/Phrasea/SearchEngine/Elastic/ElasticSearchEngine.php
+++ b/lib/Alchemy/Phrasea/SearchEngine/Elastic/ElasticSearchEngine.php
@@ -139,6 +139,7 @@ class ElasticSearchEngine implements SearchEngineInterface
         return [
             SearchEngineOptions::SORT_RELEVANCE => $this->app->trans('pertinence'),
             SearchEngineOptions::SORT_CREATED_ON => $this->app->trans('date dajout'),
+            SearchEngineOptions::SORT_UPDATED_ON => $this->app->trans('date de modification'),
         ];
     }
 
@@ -368,6 +369,9 @@ class ElasticSearchEngine implements SearchEngineInterface
         elseif ($options->getSortBy() === SearchEngineOptions::SORT_CREATED_ON) {
             $sort['created_on'] = $options->getSortOrder();
         }
+        elseif ($options->getSortBy() === SearchEngineOptions::SORT_UPDATED_ON) {
+            $sort['updated_on'] = $options->getSortOrder();
+        }
         elseif ($options->getSortBy() === 'recordid') {
             $sort['record_id'] = $options->getSortOrder();
         }
diff --git a/lib/Alchemy/Phrasea/SearchEngine/SearchEngineOptions.php b/lib/Alchemy/Phrasea/SearchEngine/SearchEngineOptions.php
index 3c98683c46..f52fbcdf21 100644
--- a/lib/Alchemy/Phrasea/SearchEngine/SearchEngineOptions.php
+++ b/lib/Alchemy/Phrasea/SearchEngine/SearchEngineOptions.php
@@ -36,6 +36,7 @@ class SearchEngineOptions
     const TYPE_ALL = '';
     const SORT_RELEVANCE = 'relevance';
     const SORT_CREATED_ON = 'created_on';
+    const SORT_UPDATED_ON = 'updated_on';
     const SORT_RANDOM = 'random';
     const SORT_MODE_ASC = 'asc';
     const SORT_MODE_DESC = 'desc';
diff --git a/templates/web/prod/index.html.twig b/templates/web/prod/index.html.twig
index d34c55edbf..3fd961db53 100644
--- a/templates/web/prod/index.html.twig
+++ b/templates/web/prod/index.html.twig
@@ -346,6 +346,9 @@
                                                         {% set isSelected = (sortByPreference == constant('\\Alchemy\\Phrasea\\SearchEngine\\SearchEngineOptions::SORT_CREATED_ON')) %}
                                                         {% set isDefault = (sortByDefault == constant('\\Alchemy\\Phrasea\\SearchEngine\\SearchEngineOptions::SORT_CREATED_ON')) %}
                                                         <option value="{{ constant('\\Alchemy\\Phrasea\\SearchEngine\\SearchEngineOptions::SORT_CREATED_ON') }}" {% if isSelected %}selected="selected"{% endif %}{% if isDefault %} class="default-selection"{% endif %}>{{ "Date Added"|trans }}</option>
+                                                        {% set isSelected = (sortByPreference == constant('\\Alchemy\\Phrasea\\SearchEngine\\SearchEngineOptions::SORT_UPDATED_ON')) %}
+                                                        {% set isDefault = (sortByDefault == constant('\\Alchemy\\Phrasea\\SearchEngine\\SearchEngineOptions::SORT_UPDATED_ON')) %}
+                                                        <option value="{{ constant('\\Alchemy\\Phrasea\\SearchEngine\\SearchEngineOptions::SORT_UPDATED_ON') }}" {% if isSelected %}selected="selected"{% endif %}{% if isDefault %} class="default-selection"{% endif %}>{{ "Date Updated"|trans }}</option>
                                                         {% set isSelected = (sortByPreference == constant('\\Alchemy\\Phrasea\\SearchEngine\\SearchEngineOptions::SORT_RELEVANCE')) %}
                                                         {% set isDefault = (sortByDefault == constant('\\Alchemy\\Phrasea\\SearchEngine\\SearchEngineOptions::SORT_RELEVANCE')) %}
                                                         <option value="{{ constant('\\Alchemy\\Phrasea\\SearchEngine\\SearchEngineOptions::SORT_RELEVANCE') }}" {% if isSelected %}selected="selected"{% endif %}{% if isDefault %} class="default-selection"{% endif %}>{{ "Relevance"|trans }}</option>